MLA
Cards., Genuine Photograph Post. My Heart Fo You Am Pineing : an African American Boy Standing in a Crop. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 69. https://digital.library.emory.edu/purl/914nk98sjz-cor.
APA, 6th edition
Cards., G. P. P. My heart fo you am pineing : an African American boy standing in a crop (Box 69) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/914nk98sjz-cor.
Chicago
Cards., Genuine Photograph Post. “My Heart Fo You Am Pineing : an African American Boy Standing in a Crop.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 69. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/914nk98sjz-cor.